Home / 14,702,020,984.71-20,290,504,222.13-8,359,339,178.25

Finding the Fourth Proportional to 14,702,020,984.71, 20,290,504,222.13 and 8,359,339,178.25

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Solution

The fourth proportional to 14,702,020,984.71, 20,290,504,222.13 and 8,359,339,178.25 is: 11,536,863,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,702,020,984.71 : 20,290,504,222.13 = 8,359,339,178.25 : x
  2. Step 2: Convert to fraction form
    14,702,020,984.71/20,290,504,222.13 = 8,359,339,178.25/x
  3. Step 3: Cross multiply
    14,702,020,984.71x = 20,290,504,222.13 × 8,359,339,178.25
  4. Step 4: Simplify right side
    14,702,020,984.71x = 169,615,206,890,456,547,328
  5. Step 5: Solve for x
    x = 169,615,206,890,456,547,328/14,702,020,984.71
  6. Step 6: Final answer
    x = 11,536,863,337.83

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Double scale
Find fourth proportional to 14,702,020,985.71, 20,290,504,223.51 and 8,359,339,179.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.